Last Updated
：2026/01/05
α粒子
Hiragana
あるふぁりゅうし
Noun
alt-of
alternative
Japanese Meaning
ヘリウム原子核から成る正に電荷を帯びた粒子。2個の陽子と2個の中性子を含み、放射性崩壊や核反応で放出される。 / 放射線の一種であり、物質を電離させる能力が高いが、透過力は比較的弱い粒子線。 / 原子核物理学や放射線医学、放射線防護などの分野で扱われる基本的な粒子。
Easy Japanese Meaning
あるふぁりゅうしのべつのかきかた
Chinese (Simplified) Meaning
阿尔法粒子；氦原子核 / 在α衰变中发射的带正电粒子
Chinese (Traditional) Meaning
由兩個質子與兩個中子組成的氦原子核 / 在放射性α衰變中發射的帶正電粒子
Korean Meaning
방사성 붕괴에서 방출되는 양전하를 띤 핵입자. / 두 양성자와 두 중성자로 이루어진 헬륨‑4 원자핵.
Vietnamese Meaning
hạt alpha / hạt nhân helium (He-4) mang điện dương phát ra trong phân rã phóng xạ
Tagalog Meaning
partikulang alpa / nukleong helium na may dalawang proton at dalawang neutron / butil na inilalabas sa radyaktibong pagkabulok
Sense（1）
Alternative spelling of アルファ粒子 (“α-particle”)
（ canonical ）
（ romanization ）
（ hiragana ）
Quizzes for review
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α粒子
See correct answer
In this experiment, we will observe the behavior of α particles.
In this experiment, we will observe the behavior of α particles.
See correct answer
この実験では、α粒子の挙動を観察します。
Japanese - English
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